A 48-year-old male is complaining of chest pain that he describes as dull, located substernally, but radiating to his neck. He rates the pain a 6 on a scale of 1 to 10 and complains of nausea and lightheadedness. His skin is cool and diaphoretic. HR = 96, BP = 124/82, RR = 14, SaO2 = 97%. The 12-lead ECG is nondiagnostic. In addition to oxygen, an IV of normal saline at a keep open rate, and transport to the emergency department, which of the following would be most appropriate?
A) Nitroglycerin, morphine, and furosemide
B) Reassurance that likely his condition is not cardiac in nature
C) Nitroglycerin
D) Aspirin, nitroglycerin, and morphine
Answer: D) Aspirin, nitroglycerin, and morphine
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________ muscle is responsible for the cadence and rhythm of the heart
A) Smooth B) Cardiac C) Voluntary D) Skeletal
Your patient is an 84-year-old male with difficulty breathing and peripheral edema. He tells you he has been suffering for many years with "heart failure" and his condition is worsening, especially with trouble breathing at night. Your knowledge of cardiovascular physiology suggests that his condition could have resulted from the failure of either the right or left side of his heart. Which
chamber of the heart is the strongest, most muscular part of the heart and is primarily responsible for pumping oxygenated blood to the rest of the body? A) Left atrium B) Left ventricle C) Right atrium D) Right ventricle